Development of Incandescent Lamp (review quiz)

When was the invention of the incandescent lamp marked the beginning of efficient electric lighting?

• 1809

• 1874

• 1860

• 1897

One of Edison's associates decorates his family's Christmas tree with the first ever set of___________ lights.

• carbonized bamboo filament

• incandescent string

• Christmas strings

• nitrogen-filled glass

The invention of the incandescent lamp by ____________in 1897 marked the beginning of efficient electric lighting.

• Humphry Davy

• Thomas Edison

• Henry Woodward

• Mathew Evans

In _______, English chemist Humphry Davy invents the first electric light, his arc lamp connects wires to a battery at one end and a charcoal strip at the other.

• 1897

• 1809

• 1874

• 1860

Edison's team upgrades the lightbulb with a carbonized bamboo filament that can burn over how many hours?

• 1200

• 1000

• 1100

• 1300